A man prepares plastic strings, used to produce mats, inside a mat factory in the rebel-controlled area of Maarshureen town in Idlib province, Syria, December 22, 2015. The town is known for the significant number of mat factories which exports its production mainly to nearby Iraq through checkpoints controlled by insurgents. But in the past months the business has declined due to heavy airstrikes against insurgents, vendors said. (Photo by Khalil Ashawi/Reuters)

A man operates a machine inside a mat factory in the rebel-controlled area of Maarshureen town in Idlib province, Syria, December 22, 2015. (Photo by Khalil Ashawi/Reuters)

A worker cools plastic strings, used to produce mats, inside a mat factory in the rebel-controlled area of Maarshureen town in Idlib province, Syria, December 22, 2015. (Photo by Khalil Ashawi/Reuters)

A worker checks plastic strings used to produce mats, inside a mat factory in the rebel-controlled area of Maarshureen town in Idlib province, Syria, December 22, 2015. (Photo by Khalil Ashawi/Reuters)

A man prepares plastic strings, used to produce mats, inside a mat factory in the rebel-controlled area of Maarshureen town in Idlib province, Syria, December 22, 2015. (Photo by Khalil Ashawi/Reuters)

Plastic strings, used to produce mats, come out from a machine where is it is cooled before being cut inside a mat factory in the rebel-controlled area of Maarshureen town in Idlib province, Syria, December 22, 2015. (Photo by Khalil Ashawi/Reuters)

A man adjusts plastic strings, used to produce mats, inside a mat factory in the rebel-controlled area of Maarshureen town in Idlib province, Syria, December 22, 2015. (Photo by Khalil Ashawi/Reuters)